Planet Earth is this solid thing you are standing on right now. In your everyday life you don't really waste a thought about how amazing this is. A giant, ancient, hot rock. How did it come into existence and how big is it really? You will be surprised. The ground you are standing on is just a very, very small part of the big picture.
A video demonstrate the modelling in MAYA, illustrate with the example of a disney character, Anna. Modeling - The modeling was done using mainly edge modeling - The eye is a low polygon sphere and then a flat polygon plane to start off, then extrude the edges and edit them into place